Automatic speed regulation energy saving centrifugal water pump
A centrifugal water pump and automatic speed regulation technology, which is applied to pumps, pump control, pump devices, etc., can solve the problems of energy waste, fixed energy consumption, small and micro centrifugal pumps that cannot be adjusted in speed, and achieve the effect of reducing energy consumption
Active Publication Date: 2018-05-25
克奥兹泵业(深圳)有限公司
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Problems solved by technology
Therefore, the small and micro centrifugal water pump cannot adjust the speed with the change of pipeline system resistance and medium temperature, which causes waste of energy consumption to a certain extent
For example, for the hot water circulation pump used for heating in winter in the north, the hot water stored in the hot water tank is sent to the pipes of each room. Usually, the temperature of the hot water stored in the hot water tank (for example, 60°C) is higher than that of the pipes. The water temperature required by the system (for example, 40°C), in this case, the water pump always works at the rated speed because the speed cannot be adjusted, and the energy consumption is fixed, which will cause waste of energy consumption
Method used
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[0029] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.
[0030] Please also see figure 2 and Figure 4 ,or image 3 and Figure 4 , the present invention provides an automatic speed-adjusting energy-saving centrifugal water pump, wherein figure 2 The automatic speed-adjusting energy-saving centrifugal water pump shown is installed horizontally. image 3 The automatic speed-adjusting energy-saving centrifugal water pump shown is installed vertically.
[0031] Such as figure 2 ,or image 3 As shown, regardless of whether it is installed horizontally or vertically, the automatic speed-adjusting energy-saving centrifugal water pump of the present invention includes a brushless DC motor 1, a pump body 2 driven by the brushless DC motor 1, and a water outlet installed on the pump body 2. at sens...
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The invention provides an automatic speed adjustment energy-saving centrifugal water pump. A sensor (3) is mounted in a water outlet of a pump body by using the characteristic of direct proportion between the rotating speed and the voltage of a brushless direct-current motor, and is electrically connected to a motor control system (18); and after users set an adjusting operation panel (19), the motor control system (18) controls a duty ratio of PWM signals according to signals acquired by the sensor (3), so that the average voltage of multiple coil windings of a stator (15) can be controlled along with change of the medium temperature or the pipe system resistance, the rotating speed of the brushless direct-current motor (1) is adjusted, and the energy consumption is reduced.
Description
technical field [0001] The invention relates to the technical field of water pumps, in particular to an automatic speed-regulating energy-saving centrifugal water pump. Background technique [0002] A pump (Pump) is a machine that does work on a fluid and is used to increase the pressure of the liquid to make the liquid flow. In industrial production and daily life, water pumps are used to transport clear water and other liquids whose physical and chemical properties are similar to water, and are widely used, such as tap water projects, air conditioning circulating water projects, boiler water supply, pressurized water supply, fire sprinkler systems , irrigation, power station, industrial water supply system, shipbuilding industry and oil refining industry and other fields. [0003] Water pumps are divided into many categories according to their working principles, including centrifugal water pumps. Before the centrifugal water pump is started, the pump cavity and the wate...
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IPC IPC(8): F04D15/00F04D13/06
CPCF04D13/06F04D15/0066
Inventor 程良畴
Owner 克奥兹泵业(深圳)有限公司